this is from will temble.s a thank you to our service men and women, but he also did this to show us all what sound looks like. those flames do look like sound wave form. >> that's exactly right. that's actually called a rubens -- he calls it his sound fire tube. what happens is the sound that is being played into the tube creates areas of different pressure called standing waves, and the lower the note, the longer the wave, creating the different heights in the flame. >> i think that would be pretty impressive to take to a ballpark or something and play the star-spangled banner or anything for that matter. >>> a big old truck pulls the party valve. >> crank it up. >> oh. >> over he topples. >> see how a game of tug-of-war gets the bash back on track. >> this is a party. >>> it's known as the deadliest hike in the world. >> it is a tiny, narrow microbe. >> oh, my lord. people do this? >> why hiking on the ledge will have you on the edge of your seat. good,eternrnoooon n ararririveg bubut t heher r knkneeee p p